var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var salespersonsRouter = require('./routes/salespersons');
var usersRouter = require('./routes/users');
var insuresRouter = require('./routes/insures')
var adminsRouter = require('./routes/admins.js');
var loginsRouter = require('./routes/logins.js');
var orderRouter = require('./routes/salers/allOrders.js');
var claimsRouter = require('./routes/claims.js');
let ordersRouter = require('./routes/orders');

//创建路径
//保险产品分类
const typesRouter = require('./routes/types');
var insuresRouter = require('./routes/insures')


var app = express();

var allowCrossDomain = function (req, res, next) {
  // 设置允许哪一个源（域）可以进行跨域访问，* 表示所有源
  res.header("Access-Control-Allow-Origin", "*");
  // 设置允许跨域访问的请求头
  res.header("Access-Control-Allow-Headers", "X-Requested-With,Origin,Content-Type,Accept,Authorization");
  // 设置允许跨域访问的请求类型
  res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
  // 设置允许 cookie 发送到服务器 
  res.header('Access-Control-Allow-Credentials', 'true');
  next();
};
app.use(allowCrossDomain); // 使用该中间件

//连接数据库
require("./mongoDB");


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

////后端路由（有请求类型和请求url组成），分发请求
app.use('/', indexRouter);
app.use('/salespersons', salespersonsRouter);
app.use('/users', usersRouter);
app.use('/insures', insuresRouter)
app.use('/types', typesRouter);
app.use('/admins', adminsRouter);
app.use('/logins', loginsRouter);
app.use('/orders', orderRouter);
app.use('/claims', claimsRouter);
app.use('/orders', ordersRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

app.listen(3000, () => {
  console.log("3000 端口服务器启动成功")
})
// module.exports = app;
